fix: wire retry into router, fix Docker config path, fix condition error handling, remove dead code

Dockerfile

@@ -10,7 +10,7 @@ FROM alpine:3.20
 
 RUN apk add --no-cache ca-certificates tzdata
 COPY --from=builder /server /usr/local/bin/server
-COPY config/config.yaml /etc/notification/config.yaml
+COPY config/config.yaml /config/config.yaml
 
 EXPOSE 8080
 ENTRYPOINT ["server"]

internal/engine/router.go

@@ -9,16 +9,10 @@ import (
 	"aiaa-notification-service/internal/adapter"
 	"aiaa-notification-service/internal/cache"
 	"aiaa-notification-service/internal/model"
+	"aiaa-notification-service/internal/retry"
 	"aiaa-notification-service/internal/store"
 )
 
-type SendResult struct {
-	ChannelType string `json:"channel_type"`
-	ChannelID   int    `json:"channel_id"`
-	Success     bool   `json:"success"`
-	Error       string `json:"error,omitempty"`
-}
-
 type Router struct {
 	store         *store.Store
 	cache         *cache.Cache
@@ -51,8 +45,11 @@ func (r *Router) Route(ctx context.Context, rule *model.Rule, title, content str
 			if ch.Config != nil {
 				cfg = *ch.Config
 			}
-			if err := s.Send(title, content, cfg); err != nil {
-				slog.Error("send failed", "channel_type", ch.Type, "channel_id", ch.ID, "error", err)
+			r := retry.DefaultRetrier()
+			if err := r.Do(context.Background(), func() error {
+				return s.Send(title, content, cfg)
+			}); err != nil {
+				slog.Error("send failed after retries", "channel_type", ch.Type, "channel_id", ch.ID, "error", err)
 			} else {
 				slog.Info("sent", "channel_type", ch.Type, "channel_id", ch.ID)
 			}

internal/handler/notify.go

@@ -1,6 +1,7 @@
 package handler
 
 import (
+	"context"
 	"encoding/json"
 	"io"
 	"log/slog"
@@ -63,7 +64,11 @@ func (h *NotifyHandler) Handle(c *gin.Context) {
 	// 4. Evaluate conditions
 	if rule.Conditions != nil {
 		var conds []model.Condition
-		if err := json.Unmarshal(*rule.Conditions, &conds); err == nil {
+		if err := json.Unmarshal(*rule.Conditions, &conds); err != nil {
+			slog.Error("failed to unmarshal rule conditions", "rule_id", rule.ID, "error", err)
+			c.JSON(http.StatusUnprocessableEntity, gin.H{"error": "invalid rule conditions"})
+			return
+		}
 		if !condition.Evaluate(conds, msg.Data) {
 			c.JSON(http.StatusOK, gin.H{
 				"matched":  true,
@@ -73,7 +78,6 @@ func (h *NotifyHandler) Handle(c *gin.Context) {
 			return
 		}
 	}
-	}
 
 	// 5. Get template content
 	tmpl, err := h.store.GetTemplate(c.Request.Context(), rule.TemplateID)
@@ -93,9 +97,10 @@ func (h *NotifyHandler) Handle(c *gin.Context) {
 	title := src.Name + ": " + msg.Event
 	channels := h.router.Route(c.Request.Context(), rule, title, content)
 
-	// 8. Log message (best effort)
+	// 8. Log message (best effort, detached context)
 	go func() {
 		payloadJSON, _ := json.Marshal(msg.Data)
+		ctx := context.Background()
 		for _, chName := range channels {
 			chID := parseChannelID(chName)
 			ml := &model.MessageLog{
@@ -107,7 +112,9 @@ func (h *NotifyHandler) Handle(c *gin.Context) {
 				Content:   content,
 				Status:    "pending",
 			}
-			_ = h.store.CreateMessageLog(c.Request.Context(), ml)
+			if err := h.store.CreateMessageLog(ctx, ml); err != nil {
+				slog.Warn("failed to create message log", "error", err)
+			}
 		}
 	}()